Even I do not kno!

I dnt no any. *dame* its very bad no one knows we are sory

WHAT SOFTWARE R U USING ?

Use virtual Dj software

use virtual d.j its better !

I've used Traktor, Deckadance, Mixvibes, and Virtual DJ Pro. Which software you want help with?

For Virtual dj the Loop keys by default are 1,2,4,5,6,7 on keyboard.

For Deckadance >> Deck A Looping>> Deck A Loop|RMB to latch.||Deck A Loop|Right Mouse Button to latch.|Loops until released. Continues from loop end.|Click the length indicator (right) to beat sync.||RMB = Right Mouse Button (CTRL + Click on Mac) Deck A Loop / Leap|Inc/Dec arrows.||Deck A Loop / Leap length|Left arrow decrease, right arrow increase.|Use to change the loop/leap length.|Note that this length is also used by the samplers.|Click the length indicator (right) to beat sync. Length Indicator|Click to beat sync.||Deck A Loop / Leap length indicator|When selected the loop/leap will sync to beat/bar marks. Deck B Looping>> Deck B Loop|RMB to Latch.||Deck B Loop|Right Mouse Button to Latch.|Loops until released. Continues from loop end.|Click the length indicator (right) to beat sync. Deck B Leap|RMB to Latch.||Deck B Leap|Right Mouse Button to Latch.|Loops until released. Continues from real-time position.|Leap position is shown in Track Overview, below|main the track Peak Display.|Click the length indicator (right) to beat sync. Deck B Loop / Leap|Inc/Dec arrows.||Deck A Loop / Leap length|Left arrow decrease, right arrow increase.|Use to change the loop/leap length.|Note that this length is also used by the samplers.|Click the length indicator (right) to beat sync. Length Indicator|Click to beat sync.||Deck B Loop / Leap length indicator|When selected the loop/leap will sync to beat/bar marks.

Oho! thats superb Tutorial